Improvement in sash-elevator and fastener



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BA R-TI-IOLOMEW ROY, OF ST. CLAIR, MICHIGAN.

Lette/Patent No. 86,865, dated Feb/mary 9, 1869.

MPROVEMIENT IN SASHV-El'llIEW'A-'.II'OR` AND FASTENER.

The Schedule referred to in thesey Lettera Patent and making part of the same.

dow, by means of which the sash, upper and lower, may

be raised or lowered at pleasure, and fasten them in any desired position.

`The invention consists of the spring-lever A, attached, atits upper extremity, to the upper part of the sash B, and provided, at its lower extremity, with a piu, C, ora catch, or any other suitable device, to engage with any proper holes, H, in the sash D, or. with a rack, E, upon the stile of said sash, by means of which the position ofthe two sashes, B and D, relatively to each other, is governed.

v It consists, also, of another spring-lever, F, fastened, in a similarl manner, to the spring-lever A, and provided upon its side, and near its lower extremity, with catch or projection G, which engages Iwith proper holes, I, in the side of the window-iiame J, by means of which 'the position of sashes relative tothe frame J is determined, and by which they are fastened in any desired position.

What I claim as my invention, -and desire to secure by Letters Patent, is-

1. The spring-lever A, when constructed, attached, and operating substantially as and for the purpose herein set forth.

2. In combination with the above, the spring-lever F, when constructed, attached,l and operating as and for the purposes herein described.

B. ROY.

Witnesses:

A. A. OARLETON, FRED. H. BLOOD. 

